Question

the question is in the picture θ = Cos⁻¹ (-8)

Answer 1

Answer

θ is undefined for the condition given.

Explanation

θ = Cos⁻¹ (-8)

Cos θ ranges from -1 to 1, that is, -1 ≤ Cos θ ≤ 1

So, Cos θ = -8 that led to θ = Cos⁻¹ (-8) isn't pssible for Cosine.

Hope this Helps!!!